Virafend Ice - Should you use an ice pack directly to the spot where you think the sore coming on, it will supposedly protect against it from getting. You are intended to do this 5-six times just about every. The ice is claimed to freeze the sore and reduce it from building.Of all the causes of cold sores mentioned above, your pH balance has become the most crucial. Keep this in the alkaline range and you will not likely obtain a cold sore. Feeding a strong immune system and decreasing arginine will also greatly assist to.